Home / 20,970,482.48-28,924,358.36-13,997,644.32

Finding the Fourth Proportional to 20,970,482.48, 28,924,358.36 and 13,997,644.32

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Solution

The fourth proportional to 20,970,482.48, 28,924,358.36 and 13,997,644.32 is: 19,306,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,482.48 : 28,924,358.36 = 13,997,644.32 : x
  2. Step 2: Convert to fraction form
    20,970,482.48/28,924,358.36 = 13,997,644.32/x
  3. Step 3: Cross multiply
    20,970,482.48x = 28,924,358.36 × 13,997,644.32
  4. Step 4: Simplify right side
    20,970,482.48x = 404,872,880,507,498.50
  5. Step 5: Solve for x
    x = 404,872,880,507,498.50/20,970,482.48
  6. Step 6: Final answer
    x = 19,306,798.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.